A qualitative exploration of perspectives on taking lithium supplements.

Background: Lithium is widely recognized for its benefits as a medication to treat mood disorders. Low-dose lithium has been commercially available for decades as a nutritional supplement, but there is little research on its effects. Emerging evidence suggests that low-dose lithium may offer therapeutic benefits in mood disorders and cognition, with better tolerability and accessibility than higher doses. Objectives: To explore individuals' willingness to consider taking lithium supplements, and to explore the experiences of those currently taking lithium supplements. Design: Qualitative study. Methods: Two qualitative studies were undertaken. First, a focus group was conducted with those who had not taken lithium supplements before and were concerned about their own or another individual's cognitive health. Second, individual semi-structured interviews were undertaken with participants who were currently taking lithium supplements. Data from each study were analyzed separately using thematic analysis. Results: Four overall findings emerged. These relate to lithium supplement effects on mood stability, anxiety, and cognition, as well as distrust toward unfamiliar supplements. Participants taking lithium supplements perceived improvements in balancing and enhancing mood, reductions in anxiety and stress, and improved ability to cope with challenging situations. Three-quarters reported perceived improvement in cognition, particularly concentration and memory. Participants from both groups noted that, initially, lithium supplements elicited feelings of unease and wariness, partly due to association with lithium as a medication, as well as lack of information about its supplement form and an unawareness that lithium is a naturally occurring mineral. Conclusion: Results suggest that there may be benefits from lithium supplements. Participants reported a wide range of perceived benefits across mood, anxiety, and cognition, but also displayed skepticism toward lithium supplements. This research is limited by its size and likely lack of generalizability to the wider population; clinical trials are needed to clarify the safety and efficacy of lithium supplements.